Finding the Fourth Proportional to 987,164.62, 1,480,837.29 and 277,187.87
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Solution
The fourth proportional to 987,164.62, 1,480,837.29 and 277,187.87 is: 415,807.18
Step by Step Solution
- Step 1: Write the proportion equation
987,164.62 : 1,480,837.29 = 277,187.87 : x - Step 2: Convert to fraction form
987,164.62/1,480,837.29 = 277,187.87/x - Step 3: Cross multiply
987,164.62x = 1,480,837.29 × 277,187.87 - Step 4: Simplify right side
987,164.62x = 410,470,134,231.67 - Step 5: Solve for x
x = 410,470,134,231.67/987,164.62 - Step 6: Final answer
x = 415,807.18
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.